def test_that_it_returns_change_objects_for_each_diff(self):
self._diff_list.append(self._diff_mock)
changes = list(gitmagic.find_changes(self._repo))
self.assertEquals(len(changes), len(self._diff_list))
self.assertIsInstance(changes[0], gitmagic.Change)
self.assertEquals(changes[0].a_file_name, "changed_file_name")
self.assertEquals(changes[0].b_file_name, "changed_file_name")
def test_changes_created_lazily(self):
self._diff_list.append(self._diff_mock)
self._diff_list_on_second_call.append(self._diff_mock)
changes_generator = gitmagic.find_changes(self._repo)
self.assertEqual(self._repo.head.commit.diff.call_count, 0)
next(changes_generator)
self.assertEqual(self._repo.head.commit.diff.call_count, 1)
next(changes_generator)
self.assertEqual(self._repo.head.commit.diff.call_count, 2)
def test_that_it_adds_the_magical_a_b_prefix_to_the_paths(self):
self._diff_list.append(self._diff_mock)
changes = list(gitmagic.find_changes(self._repo))
self.assertEquals(changes[0].diff.startswith("--- a/changed_file_name\n+++ b/changed_file_name"), True)
def test_that_it_returns_empty_list_if_there_are_no_changes(self):
changes = gitmagic.find_changes(self._repo)
self.assertEquals(list(changes), [])
